LLM Reference

Router compare

AIRouter vs LiteLLM

Router-vs-router comparison for integration shape, routing policy, target providers, pricing model, and data handling. Use this view for the routing layer; use model compare when choosing the model itself.

AIRouter

Heureka Labs UG

Fresh
Commercial LLM router that analyzes incoming requests and routes to the optimal model for cost/quality/latency via a drop-in OpenAI-compatible API, with a privacy-preserving embedding mode that avoids sending prompt content.
LiteLLM

BerriAI

Fresh
Open-source Python SDK and proxy server that unifies 100+ LLM APIs behind a single OpenAI-compatible interface, with load balancing, cost tracking, and configurable failover.

Facet comparison

Type

AIRouter

Router

LiteLLM

Gateway

Openness

AIRouter

Commercial

LiteLLM

Open source

Hosting

AIRouter

Hosted SaaS

LiteLLM

Self-hosted

Decision mechanism

AIRouter

Classifier, Predictive learned

LiteLLM

Rules / heuristics, Cascade

Optimizes for

AIRouter

Cost, Quality, Latency

LiteLLM

Cost, Reliability, Latency

Routing scope

AIRouter

Cross-provider

LiteLLM

Cross-provider

Pricing

AIRouter

Passthrough + fee

LiteLLM

Free OSS

Data retention

AIRouter

Unknown

LiteLLM

Zero retention

Models reachable

AIRouter

-

LiteLLM

100 models

API compatibility

AIRouter

OpenAI

LiteLLM

OpenAI

Targets overlap